the_debt_of_time

"He's a wonderful professor, and... it made me sad to think of him being ill,"
Hermione said and then turned to walk away.
Moments later, Madam Pomfrey opened the curtains that surrounded Remus's bed.
He had overheard the entire conversation, drawn from sleep by the sound of Hermione's
voice. He was badly bruised and exhausted from the full moon, but the Wolfsbane Potion
that Snape had given him had not been poisoned, so he spent the night warded in his
rooms—docile but lonely.
Madam Pomfrey pinned him with a look. "She knows about your condition?"
"Apparently," Remus replied and reached for the bar of chocolate. He took a
moment to breathe in the scent as he tore at the wrapper. "Poppy, how do you, Minerva,
and Professor Dumbledore remember Hermione as Mia, but no one else does? Severus
clearly loathes her, and with good reason considering how often she hit him in the face
growing up, but I'd think that if he knew who she really was... his disdain would be quite
a bit more obvious."
"Minerva put a charm on the girl when she first entered the Wizarding world,"
Poppy explained. "She recognised Miss Potter almost immediately and insisted that the
headmaster explain himself. I believe it was exactly because of Severus that Minerva put a
modified Notice-Me-Not on Miss Granger. She has to renew it once a year when the girl
returns to Hogwarts. Frankly, I doubt either Minerva or the headmaster had planned on
telling me, except that Hermione is in the hospital wing so often thanks to her adventures
with Misters Potter and Weasley that I was bound to catch the charm on her sooner or
later."
Remus snorted in amusement. "Notice-Me-Not. That used to be one of Mia's
favourite charms. She'd find it hilarious that it was being used on her."
"If I remember correctly," Madam Pomfrey said with a smirk, "Miss Potter was
more inclined toward Skin Blemish Hexes and manipulated potions."
Remus grinned at the flood of memories. "So, when people look at her and begin
to recognise her, their minds get distracted?"
"Something like that. Clearly it doesn't prevent the lingering feeling of resentment,
though. If Severus's reaction to Miss Granger is any indication, I'd be terrified to think of
what would happen if any of your former Ravenclaw classmates caught sight of the poor
girl."